A student wants to determine the proportion of times a spun penny will land on heads. She spins a penny 50 times and records the number of times it lands on heads. What type of sampling is described in this study?

The student records outcomes from one set of 50 spins of the penny. Those results form one sample, even though the sample contains many spins. Paired data or multiple samples would require comparing two or more linked or separate groups.

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